JP2000024356A - Yarn standing apparatus for sewing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a yarn standing apparatus which can be removably mounted on a number of machine types and has excellent versatility. SOLUTION: A yarn standing base 5 is slidably mounted in the up and down direction on the top end part of a yarn standing base stand 3. A plurality of yarn standing rods are fixed on this yarn standing base 5 and a needle thread core piece 7 is inserted on the outer peripheral part of each yarn standing rod. In this constitution, a bottom plate part is provided on the bottom end part of the yarn standing base stand 3 and a yarn standing apparatus assembled is removably mounted on a sewing machine frame 1 only by inserting the bottom plate part between the sewing machine frame 1 and an installation face for the sewing machine frame 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a thread stand of a sewing machine for holding a thread spool.

[0002]

There is a thread stand device in which a thread stand is fixed to a thread stand and a thread spool is inserted into an outer peripheral portion of the thread stand. In this configuration, the thread stand is hooked on the carrying handle of the sewing machine frame, or the projection of the thread stand is fitted into a hole of the sewing machine frame, thereby the thread stand is moved to the sewing machine frame. It was detachably attached to. For this reason,
The thread stand could only be mounted on a specific model, and the versatility was poor.

[0003] The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a highly versatile thread stand that can be detachably attached to many models.

[0004]

According to a first aspect of the present invention, there is provided a thread stand for a sewing machine, wherein the thread stand includes a vertically extending thread stand, a thread stand provided on the thread stand, and a thread stand provided on the thread stand. A thread stand which has a thread spool inserted into an outer peripheral portion thereof, and a bottom plate portion inserted between a sewing machine frame and an installation surface of the machine frame is provided at a lower end portion of the thread stand stand. It has features wherever it is. According to the above means, the thread stand is removably mounted on the sewing machine frame simply by inserting the bottom plate portion of the thread stand stand between the machine frame and the installation surface of the machine frame. The versatility of the standing device is increased.

According to a second aspect of the present invention, there is provided a thread stand for a sewing machine, which is provided with a string member for binding a thread stand stand to a pillar of a machine frame. According to the above means, the thread stand stand is tied to the pillar of the sewing machine frame, so that the thread stand stand and the thread stand are prevented from wobbling.

The thread stand of the sewing machine according to the third aspect is characterized in that the thread stand is mounted on the thread stand stand so as to be adjustable in height. According to the above means, since the thread stand is mounted on the thread stand stand so as to be adjustable in height,
The thread stand can be moved to a position that is easy for the operator to use.

According to a fourth aspect of the present invention, there is provided a thread stand for a sewing machine, wherein a thread holding member for holding a thread drawn from a thread spool is provided on a thread stand. According to the above means, the thread drawn from the thread stand of the thread stand can be held by the thread holding member, so that the thread tip can be easily found and grasped, and can be passed through a sewing needle or the like.

According to a fifth aspect of the present invention, there is provided a thread stand for a sewing machine, wherein a cutting member for cutting a thread drawn from a thread spool is provided on a thread stand. According to the above means, the thread passed from the thread stand of the thread stand to the sewing needle can be cut by the cutting member of the thread stand, so that it is not necessary to take the scissors or the like and cut the thread.

A thread stand device for a sewing machine according to a sixth aspect of the present invention includes a sewing machine sheet on which a sewing machine frame is mounted, a mark indicating a mounting position of the sewing machine frame on the sewing machine sheet, and a mounting position of the thread spool. This is characterized in that a mark for indicating is provided. According to the above means, the thread stand device is detachably mounted on the sewing machine frame simply by placing the sewing machine frame and the thread spool on the sewing machine sheet, so that the versatility of the thread stand device is enhanced. In addition, only by placing the sewing machine frame and the thread spool on the sewing machine sheet with the mark as a guide, the positional relationship of the thread spool with respect to the sewing machine frame can be determined to be an optimal position that does not hinder the thread feeding and the sewing operation.

The thread stand device for a sewing machine according to the present invention is characterized in that a thread guide movable to the thread spool side of the sewing machine frame and the thread spool side of the sewing machine sheet is provided in the sewing machine frame. ing. According to the above means, when the thread spool of the sewing machine frame is used, the thread guide is moved to the thread spool side of the sewing machine frame, and when the thread spool on the sewing machine sheet is used, the thread guide is moved to the sewing machine. It can be moved to the thread spool side of the sheet. For this reason, the thread tension changes between the case where the thread spool of the sewing machine frame is used and the case where the thread spool of the sewing machine sheet is used,
Interference with the thread feeding and sewing operation is prevented.

[0011]

FIG. 1 shows a first embodiment of the present invention.
A description will be given with reference to FIG. First, in FIG.
The sewing machine casing 1 includes a bed 1a, a column 1b extending upward from an end of the bed 1a, an arm 1c extending horizontally from the column 1b, and a head extending downward from an end of the arm 1c. 1d, and the bed 1
A plurality of short legs 1e are fixed to the lower surface of a, and as shown in FIG. 3C, a gap 2a is formed between the mounting surface 2 of the plurality of legs 1e and the lower surface of the bed 1a. Have been.

A gap 2 between the lower surface of the bed 1a and the mounting surface 2
A metal bottom plate 3a extending in the front-rear direction is inserted into a, and a stand body 3b extending vertically is bent at the rear end of the bottom plate 3a. The bottom plate 3a and the stand body 3b constitute a thread stand 3 and the stand body 3b is provided with a magic tape (commodity) on a pillar 1b of the sewing machine frame 1 as shown in FIG. Name) 4 and the stand body 3b
As shown in FIG. 2, a vertically long slot 3c is formed at the upper end of the. The magic tape 4 corresponds to a planar fastener and a string member.

The thread stand 5 has a horizontally long rectangular plate shape, and the thread stand 5 is integrally formed with a slide portion 5a. A screw 6 is mounted on the slide portion 5a from behind, and the screw 6 is slidably inserted into the long hole 3c of the thread stand 3. A nut (not shown) is screwed into the screw 6 from the front of the stand body 3b of the thread stand 3 and the thread stand 5 is connected between the head of the screw 6 and the nut. 3b, it is fixed to the stand body 3b with the slide portion 5a of the thread stand 5 interposed therebetween. Therefore, the height position of the thread stand 5 is adjusted by loosening the nut and moving the thread stand 5 along the elongated hole 3c and then tightening the nut. The thread stand 5 is formed of a synthetic resin.

On the upper surface of the thread stand 5, three thread stands 6a and two thread stands 6b are fixed alternately in the lateral direction.
As shown in FIG. 3A, three thread stand 6a are arranged in a line at the front end of the thread stand 5 and two thread stand 6b are arranged in a line at the rear end of the thread stand 5. Are located in Each of these thread standing rods 6a and 6b has a columnar shape.
As shown in FIG. 1, a cylindrical upper thread spool 7 is inserted into the outer peripheral surfaces of the a and 6b. Each of the upper thread spools 7 is placed on the upper surface of the thread stand 5, and an upper thread 7 a is wound around the outer periphery of each upper thread spool 7.

A column-shaped thread stand 8 is fixed to the upper surface of the thread stand 5, and a metal wire antenna 9 extending in the horizontal direction is fixed to the upper end of the thread stand 8.
The antenna 9 is formed with five thread guide portions 9a having a substantially triangular shape, and the upper thread 7a drawn from each upper thread spool 7 is inserted into the thread guide portion 9a.

A thread holding stand 10 made of metal is fixed to the upper surface of the thread stand 5. This thread holding stand 10
As shown in FIGS. 4A and 4B, the thread holding stand 10 has a substantially U-shaped central portion in the vertical direction as shown in FIG. The thread guide plate 11 is screwed. As shown in FIG. 4B, the thread guide plate 11 is formed with a cutout portion 11a opening forward and a long hole 11b extending in the front-rear direction. Of the upper thread 7a inserted into the notch 11a and the elongated hole 11b as shown by a two-dot chain line in FIG. The reference numeral 11c in FIG.
FIG.

As shown in FIG. 1, a needle bar 12 is mounted on a lower end of the head 1d of the sewing machine frame 1, and a sewing needle (not shown) is attached to the lower end of the needle bar 12. ) Is attached. A balance (not shown) is mounted on the front surface of the head portion 1d, and a notch 11a of the thread guide plate 11 is provided.
The upper thread 7a inserted into the long hole 11b is inserted into the eye of the sewing needle through the balance.

As shown in FIG. 4B, a horizontal base plate 10a is bent at the upper end of the thread holding stand 10. As shown in FIG. 4 (c), pins 10c, 10c are fixed to the base plate 10a, and both pins 10c are attached to the lower surface of the base plate 10a as shown in FIG. 4 (b). The iris resuscitator 14 is mounted from the side. Further, a thread presser plate 13 is fixed to the base plate 10a. The base plate 10a, the thread presser plate 13, and the iris supporter 14 constitute a thread holding member 15, and the thread presser plate 13 is urged toward the base plate 10a by a thread presser spring (not shown). An end of the upper thread 7a is held between the thread presser plate 13 and the base plate 10a.

A groove 14a that opens to the side is formed in the iris sustainer 14, and a cutter 16 corresponding to a cutting member is fixed in a deep portion inside the groove 14a. Also, the base plate 10a has
4, a groove 10b is formed above the groove 14a, and as shown in FIG.
It is exposed upward through the groove 10b of the base plate 10a.

As shown in FIG. 4A, an L-shaped plate-like thread guide portion 10d projecting upward is bent on the base plate 10a, as shown in FIGS. 4B and 4C. ), The upper thread 7a from the upper thread spool 7 is hooked on the thread guide 10d, and then the thread presser plate 13 and the base plate 10a.
And inserted into the grooves 10b and 14a and pressed against the cutter 16, the upper thread 7a is cut by the cutter 16.

According to the above embodiment, the thread stand stand 3 is provided with the bottom plate 3a. For this reason, the thread stand device is detachably mounted on the sewing machine frame 1 only by inserting the bottom plate portion 3a between the sewing machine frame 1 and the installation surface 2, so that the versatility of the thread stand device is enhanced. In addition, the thread stand stand 3 is moved to the sewing machine frame 1.
Of the thread stand 1 and the thread stand 5 are prevented from wobbling. Further, since the thread stand 5 is mounted on the thread stand stand 3 so as to be adjustable in height, the thread stand 5 can be moved to a position where the operator can easily use it.

A yarn holding member 15 is provided on the yarn stand 5,
Since the upper thread 7a drawn from the upper thread spool 7 is held by the thread holding member 15, the upper thread 7a is prevented from wobbling.
For this reason, the upper thread 7a of another upper thread spool 7 is prevented from being entangled with the upper thread 7a passed through the sewing needle. At the same time, the operator can easily find and grasp the tip of the upper thread 7a held by the thread holding member 15, so that the work of replacing the upper thread 7a becomes easy.

A cutter 16 is provided on the thread stand 5.
For this reason, for example, when exchanging the upper thread 7a, the trouble of taking out the scissors or the like and cutting the upper thread 7a is not required. This also facilitates the exchange work of the upper thread 7a.

In the first embodiment, the surface of the bottom plate 3a of the thread stand 3 may be covered with rubber or the like, or the entire bottom plate 3a may be formed of rubber. Further, in the first embodiment, the thread stand stand 3 is tied to the pillar 1b of the sewing machine frame 1 with the magic tape 4, but the present invention is not limited to this. good.

In the first embodiment, a plurality of legs 1e are provided on the lower surface of the sewing machine frame 1, and the gap 2a is formed between the sewing machine frame 1 and the installation surface 2. However, the present invention is not limited to this. For example, the plurality of legs 1e may be omitted, and the lower surface of the sewing machine frame 1 may be directly mounted on the installation surface 2. In the case of this configuration, the bottom plate portion 3a of the thread stand 3 may be sandwiched between the lower surface of the sewing machine frame 1 and the installation surface 2.

Next, a second embodiment of the present invention will be described with reference to FIGS.
It will be described based on. First, in FIG. 5, the positioning sheet 21 corresponds to a sewing machine sheet, and a frame-like mark 21a is printed on the upper surface of the positioning sheet 21 by a solid line. The mark 21a is an outline shape of the bottom surface of the sewing machine frame 22 (see FIG. 7) of the lock sewing machine, and the top surface of the positioning sheet 21 is shown in FIG.
As shown in FIG. 7, a sewing machine casing 22 is placed on the mark 21a. The positioning sheet 21 is formed from rubber.

As shown in FIG. 5, two marks 21b are printed on the upper surface of the positioning sheet 21 by broken lines.
When a sewing machine frame (not shown) of another lock sewing machine smaller than the sewing machine frame 22 is placed on the positioning sheet 21, the left and right ends of the other sewing machine frame are overlapped with the both marks 21 b, and The end is overlapped with the mark 21a.

The characters "solid line HZ1000" and "dashed line HZ800" are printed on the upper surface of the positioning sheet 21. "HZ1000" and "HZ800"
Indicates the model name of the sewing machine frame 22 and another sewing machine frame. When the sewing machine frame 22 is placed on the positioning sheet 21, the mark 21a is displayed on the mark 21a in accordance with the instruction of the "solid line HZ1000". Stack 22. Further, when placing another sewing machine frame on the positioning sheet 21, the sewing machine frame is overlapped with another mark 21b in accordance with the instruction of "dashed line HZ800". The character “(front)” printed on the upper surface of the positioning sheet 21 indicates the mounting direction of the sewing machine frame 22 and another sewing machine frame.

As shown in FIG. 7, a horizontal thread stand 23 is formed at the rear of the sewing machine casing 22.
, Four thread standing rods 24 are fixed in a line in the horizontal direction at an equal pitch. As shown in FIG. 6 (b), thread spools 25 are inserted into the outer peripheral portions of these thread stand bars 24. Each thread spool 25 is attached to the sewing machine as shown in FIG. 6 (a). Machine frame 22
Is placed on the thread stand 23.

As shown in FIG. 7, a stand body 26a is mounted on the thread stand 23 of the sewing machine frame 22 so as to be rotatable by 180 °. The stand main body 26a is disposed between the first thread stand 24 from the right and the second thread stand 24 from the right, as shown in FIG.
A linear hanger 26b extending in the left-right direction is fixed to the upper end of the stand body 26a. This hanger 2
6b constitutes a threading stand 26 together with the stand main body 26a, and a substantially triangular thread guide 26c is formed on the hanger 26b, as shown in FIG. Have been.

The thread 25a pulled out from the thread spool 25 located first from the left is inserted into a thread guide 26c directly above, and then passed through a left sewing needle (not shown) of the sewing machine frame 22. ing. The thread 25a pulled out from the thread spool 25 located second from the left is inserted into the thread guide 26c directly above, and then passed through the right sewing needle (not shown) of the sewing machine frame 22. I have.

The thread 25a pulled out from the thread spool 25 located third from the left is inserted into the thread guide 26c immediately above, and then over-looped (not shown) of the sewing machine frame 22.
Has been passed through. In addition, the thread spool 2 located at the fourth position from the left
The thread 25a drawn out of 5 is inserted into a thread guide 26c just above, and then passed through an under looper (not shown) of the sewing machine frame 22.

At the rear end of the positioning sheet 21, as shown in FIG. 6B, four frame-shaped marks 21c are printed in a line in the left-right direction, and the first mark 21c from the left is printed.
The character "needle thread left" is printed in the inside, and the character "needle thread right" is printed in the second mark 21c from the left. Also,
The character "over looper thread" is printed in the third mark 21c from the left, and the character "under looper thread" is printed in the fourth mark 21c from the left.

Next, the operation of the above configuration will be described. When a thread spool 27 larger than the thread spool 25 is used, as shown in FIG.
The thread spool 27 is placed on c, and the stand body 26a of the thread stand 26 is rotated by 180 °. Then, each thread guide 26c of the hanger 26b moves right above the thread spool 27, so that the thread is pulled out from each thread spool 27 and each thread is inserted into the thread guide 26c directly above. After this, the first thread spool 2 from the left
7 is passed through the left sewing needle, and the thread drawn from the second thread block 27 from the left is passed through the right sewing needle. The thread drawn from the third thread spool 27 from the left is passed through the overlooper, and the thread pulled from the fourth thread spool 27 from the left is passed through the underlooper.

According to the above embodiment, the positioning sheet 21 on which the sewing machine frame 22 and the thread spool 27 are placed is provided.
For this reason, only by placing the sewing machine frame 22 and the thread spool 27 on the positioning sheet 21, the thread stand device
2, the versatility of the thread stand device is enhanced. Moreover, marks 21a and marks 21c are provided on the positioning sheet 21. Therefore, the marks 21a and 21
By merely placing the sewing machine frame 22 and the thread spool 27 on top of c, the positional relationship of the thread spool 27 with respect to the sewing machine frame 22 is determined to an optimal position that does not hinder the thread feeding and the sewing operation.

The thread guide 26c of the threading stand 26
To the thread spool 25 side of the sewing machine frame 22 and the positioning sheet 2
It is provided movably to the side of the first thread spool 27. Therefore, the case where the thread spool 25 of the sewing machine frame 22 is used and the positioning sheet 2
Since the tension of the thread is almost the same as when the first thread spool 27 is used, it is possible to prevent the thread feed and the sewing operation from being affected by the change in the thread tension. Also, the positioning sheet 21
Was formed with rubber. For this reason, the vibration is absorbed by the positioning sheet 21, so that the sewing machine frame 22 and the like hardly vibrate.

In the second embodiment, when the thread guide 26c is moved toward the thread spool 25 of the sewing machine frame 22 and the thread spool 27 of the positioning sheet 21, the stand body 26a is rotated by 180 °. However, the present invention is not limited to this. For example, the stand main body 26a may be tilted backward. In the case of this configuration, it is preferable to provide a mark 21c behind each thread stand 24 of the sewing machine frame 22 in the positioning sheet 21. In the second embodiment, the positioning sheet 21 is formed of rubber. However, the present invention is not limited to this. For example, the positioning sheet 21 may be formed of a synthetic resin plate or a metal plate.

[0038]

As is apparent from the above description, the thread stand of the sewing machine of the present invention has the following effects. According to the first aspect of the present invention, the bottom plate portion is provided on the thread stand stand. For this reason, the thread stand device is detachably mounted on the sewing machine frame only by inserting the bottom plate portion between the sewing machine frame and the installation surface of the sewing machine frame, so that the versatility of the thread stand device is enhanced.

According to the second aspect of the present invention, since the thread stand stand is tied to the pillar of the frame of the sewing machine, wobble of the thread stand stand and the thread stand can be prevented. According to the third aspect of the present invention, the thread stand is mounted on the thread stand stand so as to be adjustable in height. For this reason, the thread stand can be moved to a position that is easy for the operator to use, thereby increasing convenience.

According to the fourth aspect of the present invention, since the thread holding member is provided on the thread stand, it is possible to prevent the thread tip of another thread spool from becoming entangled with the thread passed through the sewing needle. At the same time, the operator can easily find and grasp the thread tip of the thread spool, thereby facilitating thread replacement work and the like. According to the means of claim 5, the cutting member is provided on the thread stand. This eliminates the need to separately remove scissors or the like and cut the thread, thereby facilitating thread replacement work and the like.

According to the sixth aspect of the present invention, since the sewing machine frame and the thread spool are mounted on the sewing machine sheet, the versatility of the thread stand device is enhanced. In addition, since the marks for the sewing machine frame and the marks for the thread spool are provided on the sewing machine sheet, the positional relationship of the thread spool with respect to the sewing machine frame can be determined to be an optimal position that does not hinder the thread feeding and the sewing operation. According to the seventh aspect of the present invention, the thread guide is provided so as to be movable to the thread spool side of the sewing machine frame and the thread spool side of the sewing machine sheet. It is possible to prevent the tension of the thread from being changed in the case where the bridge is used, thereby preventing trouble in the thread feeding and sewing operation.

[Brief description of the drawings]

FIG. 1 is a diagram showing a first embodiment of the present invention (a diagram showing the entire configuration from the rear).

FIG. 2 is a diagram showing the entire configuration from the rear with the upper thread spool removed;

FIG. 3A is a side view showing the entire configuration, and FIG.
(C) is an enlarged view of the X2 portion.

4 (a) is a front view showing an enlarged main part, FIG. 4 (b) is a view in the direction of arrow X1, and FIG. 4 (c) is a view in the direction of arrow X2.

FIG. 5 is a diagram showing a second embodiment of the present invention (a perspective view showing a positioning sheet).

FIG. 6A is a side view showing the appearance of the sewing machine frame, and FIG.
Is a top view showing a state in which the thread guide has moved to the thread spool side of the sewing machine frame, and (c) is a top view showing a state in which the thread guide has moved to the thread spool side of the positioning sheet.

FIG. 7 is a perspective view showing an appearance of a lock sewing machine (sewing machine frame).

[Description of Signs] 1 is a sewing machine frame, 1b is a pillar portion, 3 is a thread stand stand, 3
a is a bottom plate portion, 4 is a magic tape (string member), 5 is a thread stand, 6a is a thread stand, 6b is a thread stand, 7 is a thread spool (thread thread), 7a is a needle thread, and 15 is a thread. Holding member, 16 is a cutter (cutting member), 21 is a positioning sheet (sewing sheet), 21a is a mark, 21b is a mark, 21c is a mark, 2
2 is a sewing machine frame, 25 is a thread spool, 26c is a thread guide, 27
Indicates a thread spool.

Claims (7)

[Claims] 1. A thread stand which extends in the up-down direction, a thread stand provided on the thread stand, a thread stand provided on the thread stand, and a thread spool is inserted into an outer peripheral portion thereof. A thread stand device for a sewing machine, comprising: a bottom plate portion inserted between a sewing machine frame and an installation surface of the sewing machine frame at a lower end of the thread stand stand. 2. A thread stand device for a sewing machine according to claim 1, further comprising a string member for binding the thread stand stand to a pillar of the machine frame. 3. The thread stand of the sewing machine according to claim 1, wherein the thread stand is mounted on the thread stand stand so as to be adjustable in height. 4. The thread stand device of the sewing machine according to claim 1, wherein the thread stand is provided with a thread holding member for holding a thread drawn from the thread spool. 5. The thread stand for a sewing machine according to claim 1, wherein the thread stand is provided with a cutting member for cutting the thread drawn from the thread spool. 6. A sewing machine sheet on which a sewing machine frame is mounted, wherein the sewing sheet is provided with a mark indicating a mounting position of the sewing machine frame and a mark indicating a mounting position of the thread spool. A thread standing device for a sewing machine. 7. The thread stand of the sewing machine according to claim 6, wherein a thread guide movable to the thread spool side of the sewing machine frame and the thread spool side of the sewing machine sheet is provided on the sewing machine frame. apparatus.